Mineralogical constraint for metamorphic conditions in a shear zone affecting the Archean Ngoulemakong tonalite, Congo craton (Southern Cameroon) and retentivity of U–Pb SHRIMP zircon dates

Rigobert Tchameni (1) , Catherine Lerouge (2) , Joseph Penaye (3) , Alain Cocherie (2) , Jean-Pierre Milesi (4) , S.F. Toteu (3) , N. Emmanuel Nsifa (5)

1 UN-FS - Département des Sciences de la Terre [Univ Ngaoundéré]
2 BRGM - Bureau de Recherches Géologiques et Minières (BRGM)
3 IRGM - Institut de Recherches Géologiques et Minières = Centre for Geological and Mining research
4 AREVA-BU Mines - Département Géosciences
5 Département des Sciences de la Terre [Yaoundé I]

Mineralogical constraint for metamorphic conditions in a shear zone affecting the Archean Ngoulemakong tonalite, Congo craton (Southern Cameroon) and retentivity of U–Pb SHRIMP zircon dates

Mots clés: Congo craton; South Cameroon; Archean deformed tonalite; Mineralogy; Fluid activities; SHRIMP U–Pb zircon

Domaines: Sciences de la Terre

Rigobert Tchameni, Catherine Lerouge, Joseph Penaye, Alain Cocherie, Jean-Pierre Milesi, et al.. Mineralogical constraint for metamorphic conditions in a shear zone affecting the Archean Ngoulemakong tonalite, Congo craton (Southern Cameroon) and retentivity of U–Pb SHRIMP zircon dates. Journal of African Earth Sciences, 2010, 58 (1), pp.67-80. ⟨10.1016/j.jafrearsci.2010.01.009⟩. ⟨hal-00563783⟩